Hydrangea is a popular decorative plant because of its blue and lavender-colored flowers. It belongs to the Hydrangeaceae family. Its root and rhizome — or underground stem — have been used ...

People can take the root of the valerian plant Valeriana officinalis as a supplement. Valerian root may have a sedative effect and reduce anxiety, making it a popular natural remedy for sleep problems ...

The herbal sleep aid valerian root has been linked to causing vivid dreams, heart palpitations, headaches, and dry mouth. It can also interact with certain medications and substances. Valerian root is ...